Zac Hobson awakes one morning to find that everyone on Earth is gone. Confused, he wanders the streets of Auckland looking for survivors. For a time he sends an endlessly repeating message over a radio station, but no one answers. As the totality and finality of his situation begins to set in, Zac starts to go a little crazy. But as in all "last man on Earth" stories, he finds someone else, Joanne. They are deliriously happy until they find another survivor, a brawny and dangerous-looking Maori tribesman. Zac, however, soon has more important matters to worry about as he begins to get ideas about what has happened on Earth.